Barrington, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barrington, a village in Cook County, Illinois.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Southwest wind around 10 mph.
7-day forecast for Barrington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 10 mph SW | 0% |
| Tonight | 68°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SW | 46% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 5 mph WSW | 74% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph WNW | 83% |
| Thursday | 78°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 56% |
| Thursday Night | 61°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 17% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph S | 3% |
| Friday Night | 64°F | Mostly Clear | 0 to 5 mph S | 7% |
| Saturday | 84°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SW | 21% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 21% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 45% |
| Monday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 45% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 47% |
Forecast source: National Weather Service (api.weather.gov) for Barrington (42.152, -88.129). Updated through the day.
Growing snapshot for Barrington
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
177 days
Hardiness zone
5b
More local growing data for Barrington: nearby ZIP 60010 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Barrington 3Sw, Il (2.2 mi from Barrington). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.